사양
| 속성 | 가치 |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| Series | TrenchFET® |
| ProductStatus | Active |
| FETType | 2 N-Channel (Dual) |
| FETFeature | Logic Level Gate |
| DraintoSourceVoltage(Vdss) | 60V |
| Current-ContinuousDrain(Id)@25°C | 5.3A |
| RdsOn(Max)@IdVgs | 58mOhm @ 4.3A, 10V |
| Vgs(th)(Max)@Id | 3V @ 250µA |
| GateCharge(Qg)(Max)@Vgs | 20nC @ 10V |
| InputCapacitance(Ciss)(Max)@Vds | 665pF @ 15V |
| Power-Max | 3.1W |
| OperatingTemperature | -55°C ~ 150°C (TJ) |
| MountingType | Surface Mount |
| Package/Case | 8-SOIC (0.154, 3.90mm Width) |
개요
Description
The SI9945BDY-T1-GE3 is a dual N-channel MOSFET (Metal-Oxide-Semiconductor Field-Effect Transistor) produced by Vishay Siliconix. It is designed for applications requiring high-speed switching, such as power management, DC-DC converters, and load switching. This MOSFET features low on-resistance and fast switching characteristics, which contribute to improved efficiency in electronic systems.
Key specifications include a drain-source voltage (V_DS) of 30V and a continuous drain current (I_D) of around 8A. It is housed in a compact SO-8 package, which is suitable for surface-mount technology (SMT), making it ideal for space-constrained applications.
The device also offers enhanced thermal performance and reliability, thanks to its design and construction. This makes it a popular choice for engineers looking to optimize performance and energy efficiency in their designs. Additionally, the SI9945BDY-T1-GE3 is RoHS-compliant, indicating it meets environmental and safety standards by limiting the use of hazardous substances.
Key specifications include a drain-source voltage (V_DS) of 30V and a continuous drain current (I_D) of around 8A. It is housed in a compact SO-8 package, which is suitable for surface-mount technology (SMT), making it ideal for space-constrained applications.
The device also offers enhanced thermal performance and reliability, thanks to its design and construction. This makes it a popular choice for engineers looking to optimize performance and energy efficiency in their designs. Additionally, the SI9945BDY-T1-GE3 is RoHS-compliant, indicating it meets environmental and safety standards by limiting the use of hazardous substances.
Equivalent
The SI9945BDY-T1-GE3 is a dual N-channel MOSFET. Equivalent products include:
1. FDS8949 - by ON Semiconductor.
2. IRF7313 - by Infineon Technologies.
3. FDD8447L - by ON Semiconductor.
4. NDS9945 - by Fairchild Semiconductor.
Ensure to verify parameters like voltage, current ratings, and package compatibility when selecting an equivalent.
1. FDS8949 - by ON Semiconductor.
2. IRF7313 - by Infineon Technologies.
3. FDD8447L - by ON Semiconductor.
4. NDS9945 - by Fairchild Semiconductor.
Ensure to verify parameters like voltage, current ratings, and package compatibility when selecting an equivalent.
Features
The SI9945BDY-T1-GE3 is a dual N-channel MOSFET designed for use in various electronic applications. Key features include:
1. Dual N-Channel Configuration: Provides flexibility and efficiency in circuit design.
2. Low On-Resistance: About 0.045 ohms at 4.5V, enabling efficient current conduction and minimizing power loss.
3. High Current Capability: Can handle continuous drain current up to 5.8A, suitable for switching operations.
4. Compact Package: Available in an SO-8 package, optimizing space for compact designs.
5. Enhanced Switching Speed: Fast switching performance, ideal for high-speed applications.
6. Low Gate Charge: Reduces the gate drive power requirements, enhancing overall efficiency.
7. Thermal Resistance: Effective thermal management characteristics, allowing better performance under thermal stress.
This MOSFET is suitable for various applications, including DC-DC converters, power management, and load switching, making it versatile and efficient for modern electronic needs.
1. Dual N-Channel Configuration: Provides flexibility and efficiency in circuit design.
2. Low On-Resistance: About 0.045 ohms at 4.5V, enabling efficient current conduction and minimizing power loss.
3. High Current Capability: Can handle continuous drain current up to 5.8A, suitable for switching operations.
4. Compact Package: Available in an SO-8 package, optimizing space for compact designs.
5. Enhanced Switching Speed: Fast switching performance, ideal for high-speed applications.
6. Low Gate Charge: Reduces the gate drive power requirements, enhancing overall efficiency.
7. Thermal Resistance: Effective thermal management characteristics, allowing better performance under thermal stress.
This MOSFET is suitable for various applications, including DC-DC converters, power management, and load switching, making it versatile and efficient for modern electronic needs.
Pinout
The SI9945BDY-T1-GE3 is a dual N-channel MOSFET. It typically comes in an 8-pin SOIC (Small Outline Integrated Circuit) package. The pin configuration and functions are as follows:
1. Pin 1 (G1): Gate of MOSFET 1
2. Pin 2 (S1): Source of MOSFET 1
3. Pin 3 (S1): Source of MOSFET 1 (internally connected to Pin 2)
4. Pin 4 (G2): Gate of MOSFET 2
5. Pin 5 (S2): Source of MOSFET 2
6. Pin 6 (S2): Source of MOSFET 2 (internally connected to Pin 5)
7. Pin 7 (D2): Drain of MOSFET 2
8. Pin 8 (D1): Drain of MOSFET 1
These MOSFETs are used for applications requiring efficient power management, switching, and amplification. The dual configuration allows for more compact designs where two MOSFETs are needed.
1. Pin 1 (G1): Gate of MOSFET 1
2. Pin 2 (S1): Source of MOSFET 1
3. Pin 3 (S1): Source of MOSFET 1 (internally connected to Pin 2)
4. Pin 4 (G2): Gate of MOSFET 2
5. Pin 5 (S2): Source of MOSFET 2
6. Pin 6 (S2): Source of MOSFET 2 (internally connected to Pin 5)
7. Pin 7 (D2): Drain of MOSFET 2
8. Pin 8 (D1): Drain of MOSFET 1
These MOSFETs are used for applications requiring efficient power management, switching, and amplification. The dual configuration allows for more compact designs where two MOSFETs are needed.
Manufacturer
The SI9945BDY-T1-GE3 is manufactured by Vishay Intertechnology, Inc. Vishay is a global manufacturer of discrete semiconductors and passive electronic components. The company produces a wide range of products, including MOSFETs, diodes, optoelectronics, resistors, capacitors, and inductors. Vishay’s components are used in various industries such as automotive, industrial, computing, consumer electronics, telecommunications, military, aerospace, and medical. The company is known for its broad product portfolio and commitment to innovation, quality, and reliability in electronic components.
Application
The SI9945BDY-T1-GE3 is a dual N-channel MOSFET commonly used in power management applications. Its key application areas include DC-DC converters, load switching, and power supply circuits. It is suitable for use in battery-powered devices, such as laptops and smartphones, due to its low on-resistance and high efficiency, which help to extend battery life. Additionally, it can be used in motor control circuits and LED drivers, offering efficient power management solutions in compact spaces. Its robust design also makes it suitable for automotive and industrial applications where efficient power handling is critical.
Package
The SI9945BDY-T1-GE3 is a dual N-channel MOSFET in an SO-8 package. This package type is compact, surface-mountable, and commonly used for efficient power management in electronic devices.
